改善动物膳食以减少肠内发酵及其导致的甲烷排放，并建立沼气厂对粪便进行再循环处理。
Improving animals' diets to reduce enteric fermentation and consequent methane emissions, and setting up biogas plant initiatives to recycle manure.
农村有3050万户用上沼气，相当于少排放二氧化碳4900多万吨。
A total of 30.5 million rural households gained access to bio-gas, equivalent to a reduction of 49 million tons of carbon dioxide emissions.
为了将此焦点话题更加复杂化，一氧化二氮气体与沼气的排放量在全球变暖潜在因素中远远超过了二氧化碳的排放量并更具危害性。
To complicate matters further, nitrous-oxide and methane emissions from farms far outweigh carbon-dioxide emissions in global-warming potential.
而另外一些却不能直接检测，比如从土壤中排放的一氧化二氮与从牲口身上排放的沼气。
Others, such as nitrous-oxide emissions fromsoils and methane emissions from animals, cannot.
据美国环保署说，与普通汽油相比，在一个靠沼气发电的现代炼油厂使用玉米提取的乙醇能使温室气体排放降低20%。
According to the EPA, ethanol produced from corn at a modern refinery powered by biogas can represent a 20 percent greenhouse gas reduction compared with regular gasoline.
暖极代表海平面上升和在北极永久冻土层解冻，会引起更多的沼气和碳排放量释放到大气层。
A warmer pole means higher sea levels and a thaw in the arctic permafrost would lead to even more methane and carbon dioxide being released into the atmosphere.
暖极代表海平面上升和在北极永久冻土层解冻，会引起更多的沼气和碳排放量释放到大气层。
A warmer pole means higher sea levels and a thaw in the arctic permafrost would lead to even more methane and carbon dioxide being released into the atmosphere.
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